2014 YAMAHA WR450F, YZ250F style chassis plus 450 FI engine equals perfection. The WR450F features a powerful and reliable, high-revving, five-titanium-valve engine with fuel injection, YZ250F-bred advanced aluminum frame, latest generation YZ forks and shock, and slim bodywork provides awesome lightweight handling and open-class power. Plus it's green sticker approved for California.
2014 YAMAHA YZ450F, THE ALL-NEW 2014 YZ450F Featuring a new EFI engine, an entirely new frame, minimized body work and new suspension components providing for excellent mass centralization and class leading 450 power with 250-style handling.